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Finding the Fourth Proportional to 47,615.52, 65,702.52 and 26,394.78

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Solution

The fourth proportional to 47,615.52, 65,702.52 and 26,394.78 is: 36,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,615.52 : 65,702.52 = 26,394.78 : x
  2. Step 2: Convert to fraction form
    47,615.52/65,702.52 = 26,394.78/x
  3. Step 3: Cross multiply
    47,615.52x = 65,702.52 × 26,394.78
  4. Step 4: Simplify right side
    47,615.52x = 1,734,203,560.85
  5. Step 5: Solve for x
    x = 1,734,203,560.85/47,615.52
  6. Step 6: Final answer
    x = 36,420.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.